Jacob has a text file open, and he is typing on the keyboard. What is the best description of how the changes are being implemented?
O The original file is temporarily changed; the changes become permanent when he clicks "save."
O The new version is kept in a special virtual space; the file is only changed when he clicks "save."
O The information is stored on the clipboard.
O A copy is created with a new filename, which will overwrite the old one when he clicks "save."

1. you have a small business that is divided into 3 departments: accounting, sales, and administration. these departments have the following number of devices (computers, printers, etc.): accounting-31, sales-28, and administration-13. using a class c private network, subnet the network so that each department will have their own subnet. you must show/explain how you arrived at your conclusion and also show the following: all available device addresses for each department, the broadcast address for each department, and the network address for each department. also, determine how many "wasted" (not usable) addresses resulted from your subnetting (enumerate them).